What Size Wire Should You Use for a 15 Amp Breaker?
How Many Outlets on a 15 Amp Circuit? - ElectronicsHub
Can I tap into an existing 12 gauge wire run on a 15 amp circuit (put in a junction box) and connect a 14 gauge wire to install an outdoor outlet? - Quora
Wire gauge - Keystone RV Forums
What size wire do you use for lights and receptacles? - Quora